May is one of the warmer months of the year in Lower Dibang Valley, with average highs near 37.9°C and lows around 19°C (mean 28.5°C). It is a relatively wet time of year, averaging 275 mm of rainfall and 66% relative humidity across the period.
May is one of the warmer months of the year in Lower Dibang Valley. Across 45 years of records, the warmest May in Lower Dibang Valley was 1993 — when the month averaged 32.3°C — while the coldest was 2010 at 26.3°C. Typical May days reach 37.9°C with nights near 19°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.8°C | 29.4°C | 29.4°C | 27.5°C | 27.9°C | +0.1°C |
| Avg High | 37.4°C | 39.5°C | 39.4°C | 36.1°C | 36.5°C | -0.9°C |
| Avg Low | 18.3°C | 19.3°C | 19.4°C | 18.9°C | 19.3°C | +1°C |
| Avg Rain | 205 mm | 243 mm | 255 mm | 341 mm | 355 mm | +150 mm |
May temperatures in Lower Dibang Valley have risen by about 0.5°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 16.3°C (1983) to a record high of 45.5°C (1993).
Rainfall in May is a relatively wet time of year, averaging 275 mm, with a wettest year of 627 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.5°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Lower Dibang Valley
May is a good time to visit Lower Dibang Valley, with days averaging 37.9°C and nights around 19°C (mean 28.5°C, warmer than Lower Dibang Valley's yearly average) and higher rainfall. November and December are marginally more temperate, but May still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 35.5°C | 19.4°C | 27.4°C | 310 mm | 72% | 0.5 m/s | 3.5 |
| 2024 | 39.6°C | 19.8°C | 29.7°C | 202 mm | 68% | 0.5 m/s | 3.9 |
| 2023 | 36.5°C | 17.8°C | 27.1°C | 225 mm | 66% | 0.6 m/s | 3.6 |
| 2022 | 35.0°C | 19.1°C | 27.0°C | 520 mm | 72% | 0.5 m/s | 3.8 |
| 2021 | 36.8°C | 19.4°C | 28.1°C | 362 mm | 71% | 0.5 m/s | 3 |
| 2020 | 35.4°C | 20.3°C | 27.9°C | 507 mm | 71% | 0.5 m/s | 4.1 |
| 2019 | 39.0°C | 21.0°C | 30.0°C | 388 mm | 70% | 0.5 m/s | 2.6 |
| 2018 | 35.5°C | 19.3°C | 27.4°C | 293 mm | 70% | 0.5 m/s | 3.5 |
| 2017 | 35.2°C | 17.7°C | 26.5°C | 364 mm | 71% | 0.5 m/s | 3.9 |
| 2016 | 35.2°C | 18.2°C | 26.7°C | 271 mm | 71% | 0.5 m/s | 4.1 |
| 2015 | 35.3°C | 19.8°C | 27.6°C | 399 mm | 70% | 0.5 m/s | 3.6 |
| 2014 | 37.3°C | 19.2°C | 28.3°C | 463 mm | 70% | 0.5 m/s | 3.2 |
| 2013 | 35.5°C | 18.5°C | 27.0°C | 399 mm | 75% | 0.5 m/s | 3.9 |
| 2012 | 38.0°C | 18.0°C | 28.0°C | 273 mm | 63% | 0.5 m/s | 4.8 |
| 2011 | 36.1°C | 18.5°C | 27.3°C | 154 mm | 67% | 0.5 m/s | 4.5 |
| 2010 ❄️ | 34.0°C | 18.5°C | 26.3°C | 406 mm | 75% | 0.5 m/s | 3.5 |
| 2009 | 38.4°C | 20.6°C | 29.5°C | 201 mm | 66% | 0.5 m/s | 4.3 |
| 2008 | 37.6°C | 19.8°C | 28.7°C | 347 mm | 63% | 0.5 m/s | 4 |
| 2007 | 39.1°C | 19.5°C | 29.3°C | 159 mm | 64% | 0.5 m/s | 4.4 |
| 2006 | 44.0°C | 19.5°C | 31.8°C | 276 mm | 64% | 0.5 m/s | 4.1 |
| 2005 | 38.8°C | 19.1°C | 28.9°C | 305 mm | 64% | 0.5 m/s | 3.7 |
| 2004 🌧️ | 41.8°C | 18.9°C | 30.4°C | 627 mm | 66% | 0.5 m/s | 3.5 |
| 2003 | 39.1°C | 19.4°C | 29.3°C | 137 mm | 56% | 0.6 m/s | 3.6 |
| 2002 | 37.7°C | 17.8°C | 27.8°C | 168 mm | 65% | 0.5 m/s | 4.7 |
| 2001 | 38.4°C | 20.5°C | 29.4°C | 168 mm | 61% | 0.5 m/s | 4.2 |
| 2000 | 39.4°C | 18.8°C | 29.1°C | 165 mm | 63% | 0.5 m/s | 4 |
| 1999 | 38.8°C | 20.2°C | 29.5°C | 104 mm | 66% | 0.5 m/s | 4 |
| 1998 | 43.3°C | 20.6°C | 32.0°C | 177 mm | 58% | 0.5 m/s | 5 |
| 1997 | 36.9°C | 19.9°C | 28.4°C | 223 mm | 59% | 0.6 m/s | 4.6 |
| 1996 | 36.8°C | 18.2°C | 27.5°C | 432 mm | 66% | 0.5 m/s | 4.3 |
| 1995 | 37.2°C | 19.4°C | 28.3°C | 437 mm | 65% | 0.5 m/s | 5.1 |
| 1994 | 40.9°C | 20.0°C | 30.5°C | 242 mm | 60% | 0.6 m/s | 4.4 |
| 1993 🔥 | 45.5°C | 19.1°C | 32.3°C | 238 mm | 65% | 0.5 m/s | 4.2 |
| 1992 | 40.7°C | 19.1°C | 29.9°C | 192 mm | 63% | 0.6 m/s | 3.9 |
| 1991 | 39.1°C | 18.6°C | 28.8°C | 81 mm | 62% | 0.5 m/s | 3.8 |
| 1990 | 35.7°C | 17.9°C | 26.8°C | 305 mm | 66% | 0.5 m/s | 4.2 |
| 1989 | 37.6°C | 17.2°C | 27.4°C | 180 mm | 64% | 0.5 m/s | 4.6 |
| 1988 | 35.2°C | 19.5°C | 27.3°C | 388 mm | 68% | 0.5 m/s | 3.9 |
| 1987 | 42.5°C | 18.0°C | 30.2°C | 131 mm | 59% | 0.5 m/s | 4.1 |
| 1986 | 38.7°C | 18.1°C | 28.4°C | 80 mm | 58% | 0.5 m/s | 5 |
| 1985 | 37.2°C | 18.3°C | 27.7°C | 180 mm | 61% | 0.5 m/s | 3.4 |
| 1984 | 36.3°C | 19.9°C | 28.1°C | 180 mm | 63% | 0.5 m/s | 4.6 |
| 1983 | 37.9°C | 16.3°C | 27.1°C | 256 mm | 66% | 0.5 m/s | — |
| 1982 | 35.4°C | 17.4°C | 26.4°C | 131 mm | 65% | 0.5 m/s | — |
| 1981 | 35.4°C | 19.6°C | 27.5°C | 316 mm | 68% | 0.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 37.9°C with lows near 19°C (mean 28.5°C), based on 45 years of NASA POWER data.
May averages 275 mm of rainfall in Lower Dibang Valley, a relatively wet time of year. The wettest on record was 627 mm in 2004.
The hottest May reached 45.5°C in 1993. The coldest dipped to 16.3°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.5°C. Daytime highs moved from 36.4°C to 36.7°C and overnight lows from 18.3°C to 19.1°C over the same span.
May is one of the warmer months of the year in Lower Dibang Valley and a relatively wet time of year, so plan for around 37.9°C daytime highs and 19°C at night.
Not quite — May is the 8th coolest month in Lower Dibang Valley, averaging 28.5°C.
For May in Lower Dibang Valley, pack light, breathable clothing and sun protection, with typical highs of 37.9°C and lows of 19°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 66% — moderately humid.
Average wind speed in May is 0.5 m/s. The windiest May on record averaged 0.6 m/s (1992).
The wettest May on record was 2004 with 627 mm. On average, May sees 275 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Lower Dibang Valley behaves each May, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for May specifically, along with year-by-year records and how the month has changed over the decades.
